std/testing/asserts.ts

Deno standard library
Go to Latest
function assertInstanceOf
import { assertInstanceOf } from "https://deno.land/std@0.146.0/testing/asserts.ts?s=assertInstanceOf";

Make an assertion that obj is an instance of type. If not then throw.

Type Parameters

T extends AnyConstructor[src]

Parameters

actual: unknown[src]
expectedType: T[src]
optional
msg
[src]

Returns

asserts actual is GetConstructorType<T>[src]